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Kirkman systems and their application in perpendicular magnetic recording

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3 Author(s)
Vasic, B. ; Dept. of Electr. & Comput. Eng., Arizona Univ., Tucson, AZ, USA ; Kurtas, E.M. ; Kuznetsov, A.V.

A novel class of a very high-rate low-density parity check codes is introduced, and investigated in the context of its application in a perpendicular magnetic recording system. New codes are well structured and, unlike random codes, can lead to a very low-complexity implementation. A systematic way of constructing codes is based on Kirkman systems. A hardware efficient encoding algorithm is proposed. The bit-error-rate characteristics are characterized by simulation of the soft iterative decoding in perpendicular magnetic read channel with different partial response targets and types of noise

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Magnetics, IEEE Transactions on  (Volume:38 ,  Issue: 4 )